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Vitamin C is reduced in human milk after storage. | LitMetric

Vitamin C is reduced in human milk after storage.

Acta Paediatr

Department of Pathology, University of Otago, Christchurch School of Medicine, New Zealand.

Published: July 2001

AI Article Synopsis

  • The study examined how cold storage affects the levels of bioavailable vitamin C in human milk, with samples stored for varying durations in the refrigerator and freezer.
  • Total vitamin C levels dropped significantly, with an average decrease of one-third after 24 hours in the fridge and one month in the freezer, showing a range from 6% to 100% among individuals.
  • After two months in the freezer, vitamin C levels decreased by two-thirds on average, leading to the recommendation of reducing storage time to less than 24 hours in the fridge or one month in the freezer, or considering vitamin C supplementation.

Article Abstract

Unlabelled: In order to establish how cold storage of human milk affects levels of bioavailable vitamin C, 11 samples were stored for 24 h in the refrigerator or up to 2 mo in the freezer. Total vitamin C levels decreased on average by one-third in the refrigerator or after I mo of freezing, with wide variations between individuals (6 to 76% and 3 to 100%, respectively). After 2 mo of freezing, the average decrease was two-thirds (7-100%).

Conclusion: We recommend a change in human milk storage practices, to under 24 h in a refrigerator or under 1 mo in a freezer. Alternatively, vitamin C supplementation may be considered.

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